#include "bsp_sysclk.h"


/**
  * @brief System Clock Configuration (64MHz)
  * @retval None
  */
void SystemClock_Config(void)
{
	RCC_OscInitTypeDef RCC_OscInitStruct = {0};
	RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
	RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

	/** Configure the main internal regulator output voltage
	*/
	HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
	/** Initializes the RCC Oscillators according to the specified parameters
	* in the RCC_OscInitTypeDef structure.
	*/
	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
	RCC_OscInitStruct.HSIState = RCC_HSI_ON;
	RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
	RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
	RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
	RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
	RCC_OscInitStruct.PLL.PLLN = 8;
	RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
	RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
	RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
	HAL_RCC_OscConfig(&RCC_OscInitStruct);

	/** Initializes the CPU, AHB and APB buses clocks
	*/
	RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
							  |RCC_CLOCKTYPE_PCLK1;
	RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
	RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
	RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

	HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);

	/** Initializes the peripherals clocks
	*/
	PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USART2;
	PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
	PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
	HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
}

